Table 1.
Patient demographics and tumor features
| Variable | Patients (N = 30) |
|---|---|
| Age (years) | |
| >65 | 10 (33.3%) |
| ≤65 | 20 (66.6%) |
| Gender | |
| Male | 19 (63.3%) |
| Female | 11 (36.7%) |
| Scholarity (years) | |
| ≤8 | 15 (50%) |
| >8 | 15 (50%) |
| Handedness | |
| Left | 0 (0%) |
| Right | 29 (96.7%) |
| Bilateral | 1 (3.3%) |
| Tumor grade | |
| III Anaplastic Astrocytoma | 4 (13.3%) |
| IV Glioblastoma | 26 (86.7%) |
| Tumor Location # | |
| Frontal | 14 (46.7%) |
| Insular | 6 (20%) |
| Temporal | 11 (36.7%) |
| Parietal | 7 (23.3%) |
| Occipital | 2 (6.7%) |
| Tumor Lateralization | |
| Left | 18 (60%) |
| Right | 12 (40%) |
| Volumes (cm 3) | |
| Preoperative T1 extent (tumor volume) | 28.8 ± 28.3 |
| Preoperative FLAIR extent | 72.2 ± 53.4 |
| Overall mass effect (preoperative T1 + FLAIR) | 100.9 ± 64.7 |
| Early postoperative FLAIR extent | 46.5 ± 37.1 |
| Late postoperative FLAIR extent* | 40.3 ± 31.4 |
# Tumors may be located in more than one lobe.
* Available for 16 out of 30 patients.